CN1007291B - Pistol machanism for blocking firing pin - Google Patents

Abstract

The present invention relates to a framework installation type firing pin blocking device for blocking firing pins of semiautomatic pistols. The blocking device blocks firing pins in all time except a split second before and during shooting. The blocking device turns to an unblocking position due to the action of a trigger rod, wherein the trigger rod is controlled by positions of a trigger and a pistol sliding plate. A sear together with the firing pin blocking device allows single-effect operation, double-effect operation and reset operation.

Description

Pistol machanism for blocking firing pin

The semi-automatic handgun striker that in the past proposes blocks mechanism, comprise with parts that pivot place striker below, these parts can be with the direction blocking firing pin that sways, blocking firing pin not then when swaying in the opposite direction.In this system, the striker obstructing part that can pivot by hammer combine disc spring drove.

Also the someone is proposed in the semi-automatic handgun transverse bolt device that uses load on spring, this device be installed on the limit of pistol and reciprocal one with respect to the axially-movable of striker on the vertical path.(see that in April, 1973, the disclosed patent No. was 3,724,113 United States Patent (USP), inventor Ludwig; In August, 1974, the disclosed patent No. was 3,830,002 United States Patent (USP), inventor Volkmar; In September, 1977, the disclosed patent No. was 4,011,678 United States Patent (USP), inventor Brodbeck and on October 31st, 1981 the disclosed patent No. be 660,046 United States Patent (USP)).Formerly in the patent, pin assembly moves back and forth in conduit under the effect of spring, if there is exotic to enter conduit, may often be stuck or block at these.

Before the emission of semi-automatic handgun, in the emission or emission back to the obstruction or the unblocking of striker, these above-mentioned look-ahead technique schemes are not all solved satisfactorily.

In a broad aspect, the present invention is a kind of mechanism, it has comprised a trigger, the one novel trigger rod that can pivotally link to each other with trigger, one slide plate that is shaped, one deduction and one can pivot is contained in firing pin blocking device on the framework, it is used for during preparing emission (except the part the emission before second with during launching) finishes obstruction to striker with single-action, economic benefits and social benefits and automatic mode, and during later this section of firing operation, and when comprising that carrying and hold pistol does not launch, be used for blocking firing pin.

This novel trigger has one to be used for the last profiled surface that is meshed with reciprocating slide plate forming face, and the trigger of spring assembly compressing simultaneously upwards heads on slide plate, and it is in place that the reciprocating motion of the motion of trigger and slide plate can both make trigger like this.This novel trigger rod has an opening at its rear portion, the trigger rod opening is accepted the flange portion of a firing pin blocking device projection, this flange portion is in fact less than the opening of trigger rod, only reach like this before emission with regard to trigger rod and blocking device flange can be meshed and during emission, and when not having other, no matter the position of its (a) trigger, (b) position of trigger rod, (c) position of reciprocating motion slide plate how, not blocking firing pin.

Characteristics of the present invention are that this rotating firing pin blocking device has a deduction, and blocking device is spring urged into its same hammer position of engagement, discharge hammer from counter-rotation again and make the pistol emission.This deduction is rotated by firing pin blocking device, removes the obstruction to striker after the blocking device initial rotation, is rotated further when it touches deduction then, and deduction is just rotated facing to it by the rotation of firing pin blocking device.

Make like this shape and position that another characteristics of the present invention are hammer and trigger rod, and promptly with manually hammer fully being pulled in the process, trigger rod can not removed the obstruction to striker.

Fig. 1 is the lateral elevational view of semi-automatic handgun example of the present invention.

Fig. 2 is by the center line of gun barrel and perpendicular to the phantom of emitter and hammer pivot.

Fig. 3 is the perspective view that disassembles of the rotatable striker blocking device and the relevant mechanical part of this blocking device of control.

Fig. 4 is the top view after slide plate is taken away.

Fig. 5 is a part zoomed-in view shown in Figure 2, and this moment, hammer hit down.

Fig. 6 is the profile along 6-6 line shown in Figure 5.

Fig. 7 is the view that the part of Fig. 2 is amplified, and at this moment, trigger draws hammer to rotate back into the end.

Fig. 8 is the part zoomed-in view of Fig. 7.

Fig. 9 has shown that hammer knocks the part lateral vertical cutaway view of replying with trigger.

Figure 10 has shown that slide plate makes on the hammer plate and the downward part lateral vertical cutaway view of trigger rod backward.

Figure 11 is the part zoomed-in view of Figure 10.

Figure 12 resets the back hammer by the lateral vertical phantom of deduction maintenance position onboard in initial percussion and slide plate.

Figure 13 is the part amplification view of Figure 12.

Figure 14 is hammer or the lateral vertical cutaway view of deduction under single action mode.

Figure 15 has comprised trigger, trigger rod, deduction, the perspective view that disassembles of firing pin blocking device and hammer.

Figure 16 has shown that hammer is released and has worked as that trigger rod moves down and lateral vertical cross section view that firing pin blocking device rotates.

Figure 17 shows that hammer is facing to the amplification side vertical sectional view that has the firing pin blocking device framework that is in closed position on the manual floor.

As shown in Figure 1, semi-automatic handgun 10 comprises gun barrel 11, framework 12, handle 13, trigger protection ring 14, trigger 16, hammer 17, manual safety bar 18, magazine 19, magazine release lever 22 and forward and backward sight 23 and 24.Also shown slide plate locking bar 27.

Shown in Fig. 3 and 2, gun barrel 11 is equipped with 28, one of bullets that have the fire in a stove before fuel is added 29 and has the striker 33 that is contained in 32 li striker slide plates of chamber and is contained in the there.Striker 33 is pushed to the rear portion by firing pin spring usually, and the motion backward of this striker is limited by the striker limit projection 35 of striker head 37.The stop surface 41 of a Cheng Youdu of striker head 37 end faces, the projection 42 of this stop surface and the firing pin blocking device 43 that can pivot contacts can block striker 33.Trigger rod 38 and the deduction 39 that can pivot also show in the drawings.

Firing pin blocking device 43 comprises: have the centerbody 44 to the projection 42 of upper process; The engageable leg of the pushing tow that the hangs down 46 and suspension supportive device 47 that separates on the space of blocking device pin 48 is housed.

Be enclosed between the supportive device 47 of engageable leg 46 of pushing tow and blocking device 43 in the hole is the deduction 39 that can pivot.Deduction 39 comprises the component part 51,52 that the space separates, the manual locking of deduction breach 53 and deduction protuberance 50.Component part 51 has a upper surface 54, and when blocking device 43 rotated around pivot pin 56, upper surface 54 contacted with the body portion 44 of blocking device 43.Deduction 39 also resembles the blocking device 43 and rotates around same pin 56.

Trigger 16 comprises two (2) trigger axis cams 57,58.A cam 57 is on emitter 16 1 sides, and another axis cam 58 that has extending arm is positioned at opposite side, and cam 58 comprises hole 59, is equipped with in this hole to be fixed on trigger rod 38(or to become its part) on trigger rod pivot pin 60.Trigger 16 and the cam 57,58 above it rotate in shaping frame hole 61, are subjected to the bolt axle 40 of slide plate locking bar 27 partly to divide the ground constraint simultaneously.

Trigger rod 38 has a top builder cam face 62, should be facing to slide plate 26(Fig. 2) below inner surface 25 lay.Slide plate inner face 25 comprises a straight line part 25a and a recessed part 25b.Trigger rod 38 also comprises trigger rod hole 63, and this hole 63 comprises a bigger top 63a and less lower part 63b.Trigger rod 38 is promoted trigger rod plunger 64 by trigger spring 65 and promotes to rotate around pivot pin 60 widdershins again, and the manipulation of the stroke of trigger rod 38 and position and pistol is determined by the position of trigger 16 and the position of reciprocating slide plate 26 in operating process.The diverse location of these parts further specifies in relevant in the back accompanying drawing in the process that pistol is handled.

Hammer 17 can rotate around hammer pin 66.Hammer 17 comprises limit hammer projection 67, deduction breach 68 and hammer pin-and-hole 71.Hammer bar 72 promotes the extended position (as shown in Figure 2) of hammer 17 to it with hammer bar spring 73.

Bullet pusher 74 comprises that bullet contact lip 76 contacts the wing 77 with blocking device, and pusher 74 can rotate around pusher pivot pin 78.

Fig. 3 has shown that also slip locking bar 27 has comprised bolt axle 40, slide mass part 82 and pawl 83.The deduction returning spring 87 in addition, and blocking device returning spring 88 and manual safety partial devices 89 and 91 are all shown in the drawings.

The trigger rod side prolongation that is used to contact hammer projection 67 when economic benefits and social benefits are operated also shows.

Shown in Figure 4 and 5, hammer 17 is in the extended position on the last plate, and simultaneously firing pin blocking device 43 and trigger 39 rotate counterclockwise fully under the promotion of returning spring 87 and 88, to by slide plate 26(Fig. 3) inner surface limit.In this case, firing pin blocking device 43 makes in its closed position that striker 33 is restrained can not to move forward any actual range, stops the fire in a stove before fuel is added 29 of striker 33 bump bullets 28 because the face of striker 41 will contact blocking device protruding end 42.

Fig. 5 to 13 will show the following column position of trigger mechanism.

A) as illustrated in Figures 5 and 6, hammer 17 is in its extended position, if 37 firing pin blocking device 43 of while pistol hammer 17 or other thing bump striker also stop striker 33 contact bullets 38.

B) shown in Fig. 5,7,8 and 9, from under the hammer plate, and in economic benefits and social benefits form lower-pilot, trigger 16 is drawn and is made special its horizontal extension 92 of trigger rod 38() move forward and draw hammer projection 67 and reverse hammer 17.When trigger pulls on, trigger rod 38 and its hole 63 forward, but do not touch blocking device pin 48 yet, the rear of the aperture district 63b below face 63c(hole 63) touch blocking device pin 48 till (Figure 77.Touched by trigger rod 38 in case sell 48, just further move forward together and firing pin blocking device 43 clockwise directions are rotated with trigger rod 38.When firing pin blocking device 43 further rotates, its upright projection 42 swings to downwards and is lower than striker face 41 and can not pins striker 33 fully, at last, the final stage that trigger rod 38 moves forward in this two action modes, bar 38 will be decontroled protruding 67(Fig. 7 and 8 of hammer 17), hammer is knocked and launch (Fig. 9).When launching, trigger rod 38 is to be enclosed within its top position, slider groove 25b inherence;

C) emission back pistol slide plate 26 hammer 17 on direct automatically mobile backward Buck Plate, slide plate inner surface 25a depresses trigger rod 38 simultaneously, simultaneously 25b seat on trigger rod surface 62 (Figure 10 and 11).When this trigger rod 38 downwards the time, pin 48 when blocking device 43(and it) turns to its closed position (Figure 10 and 11), blocking device pin 48 moves to the bigger bore portion 63a above the opening 63, when slide plate 26 moves forward, hammer 17 rotates a segment distance on the groove 53 of its contact deduction and seat (Figure 12) in the above.When slide plate 26 forward the time, trigger rod 38 upwards travelling backwards enter sled surface groove 25b.The lower part 63b that firing pin blocking device pin 48 just enters the hole 63 of bar 38 gets ready, and works when bar moves forward again, and this is the home position of this pistol combustion machinery.

D) draw trigger again, trigger arm 38 contact is got angry the follower peg 48 of blocking devices 43 and tumbler 43 and is rotated deduction 39(conversely because of the body portion 44 contact deductions surfaces 54 of blocking device 43 and see Fig. 3).Deduction 39 continues to rotate with blocking device 43, moves to hammer 17 until deduction notch 53 and is released, and shoots then.Blocking device 43 and deduction 39 preferably were configured as so promptly before device 43 contacts deduction 39 blocking device 43 for the first time and have rotated certain enough number of degrees and swing projection 42 and just leave sparking gear 33.Emitter further draws the projection 42 of rotating blocking device to guarantee that striker 33 is not had obstacle, and deduction rotated with regard to discharging hammer 27 and launched this moment.

E) under the single-action pattern, hammer 17 is manually turned back until the hammer groove 68 of hammer 17 drops into deduction groove 53(Figure 14).The same as mentioned above, draw emitter fully and trigger rod 38 is moved, rotate blocking device 43(to blocking firing pin 33 not) rotate deduction 39 then and discharge hammer 17, make the pistol percussion like this.

F) like this in initial percussion back (with single-action or economic benefits and social benefits form), hammer 17 will automatically enter the form of resetting (hammer 17 is kept by deduction groove 53) by slip conversely.

In above-mentioned sequence of operations, except firing pin blocking device 43 before the firm emission and in the emission process if having time in all at its blocking device, for example, directly return at emission rear trigger 16, to move this trigger rod 38 downward for (Figure 10) pistol slide plate 26 in the time of when it moves the upper part 63a that firing pin blocking device pin 48 is placed on hole 63 automatically in, under this trigger rod position, firing pin blocking device 43 moves to its original closed position.Because slide plate 26 again can be forward in its normal circulation, if even trigger 16 withdrawn, trigger rod 38 does not rotate blocking device 43 yet and makes it not stop striker 33.When trigger 16 withdrawals, slide plate moves forward pin 48 and will stay in the 63a of hole, and like this, when withdrawing in the cyclic process of plate machine at slide plate, firing pin blocking device 43 will still be stayed its position.For the position from the trigger withdrawal is opened fire pistol, the user must at first move forward trigger 16 and move up under tripping spring pressure to allow trigger rod 38, and aims at and enter the dimple 25b of the slide plate 26 of closing.At this moment trigger rod 38 is in the lower part 63b in hole 63 with blocking device pin 48, draws trigger can continue emission later on again.

As shown in figure 17, hammer 17 is manually faced toward the stop surface 95 of framework and is pulled back, in this position, this firing pin blocking device 43 and the projection 42 before the face 41 of pin 33 are still on the closed position at it, trigger rod 38 is not connected to hammer 17 and gets on, and hammer 17 and bar 38 are made into such shape, when not contacting with each other in this hammer position, trigger rod 38 is still motionless.Because have only the mobile unblocking that just can cause striker of trigger rod, striker still is not disengaged obstruction.If hammer 17 is released on this position of fully pulling back, hammer 17 will move forward under the effect of bar 72 power until hammer groove 68 and combine with deduction groove 53.After magazine 19 is used up, load onto a new magazine, just can be as described above or single-action or the triggering of economic benefits and social benefits percussion, continuous semi-automatic emission later on can be proceeded down from reset position.

Claims (6)

1, a kind of pistol mechanism that is used for blocking firing pin includes a slide plate that has striker in it, a trigger, and a trigger rod, a deduction and a hammer the invention is characterized in

A) firing pin blocking device that pivots that is contained on the framework, this blocking device has

I) last bossing that is used for blocking firing pin,

II) trigger rod below can mesh the protruding bead of putting within it and mesh with trigger rod sometimes,

B) trigger rod has a forward part and a rear section,

I) its fore-end can be around trigger rotation,

II) its rear end part has

A) hole of a shaping is used to accept described blocking device projection bead,

B) one with the extension area of hammer engagement and

C) face of energy and the engagement of slide plate face,

C) deduction of installing in abutting connection with blocking device can mesh with hammer when hammer is lowerd,

D) forming face on the slide plate be meshed above the trigger rod with the rear end part (I) that allows trigger rod when slide plate lift forward the time (II) when slide plate low backward the time.

2, pistol as claimed in claim 1 mechanism is characterized in that blocking device makes face on deduction of this blocking device contact from the scheduled volume of its closed position rotation, impels from deduction and discharges hammer and rotate deduction.

3, pistol as claimed in claim 1 mechanism, it is characterized in that when this trigger rod in its front during with top position this shaped hole just contact bead.

4, pistol as claimed in claim 1 mechanism, it is characterized in that the hole on trigger rod wherein comprises the big part on a top, it has such shape and size, make this bead can not contact this hole and comprise that a low less part has a back when pistol is operated, this face only really just contacts and mobile bead during the position in front at trigger rod.

5, pistol as claimed in claim 1 mechanism is characterized in that: described firing pin blocking device comprises the framework that contains the central body portion of flange portion and between two flange portions that one or two space separates; Said deduction is enclosed between the flange portion of blocking device, falls the hammering ignition pin thereby this deduction discharges hammer because of the rotation blocking device rotates, and makes the pistol emission.

6, pistol as claimed in claim 1 mechanism is characterized in that: said firing pin blocking device and deduction rotate around same axle.

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